What We Can Do
- Remote management(web,database,ecommerce)
What we Cannot Do
- Deeply coupled processes
- Deep interdepdenace processes
The r* Toolset
- rcp - copies files to/from remote host
- rsh - excutes commands on remote host
- rlogin - starts terminal session on remote host
- rdist - maintains identical copies of files on remote hosts
Security Issues
- Ssh - is supposed to be drop in compatible
- Export controls debacle - encryption only works with kerberos
- Who gets on - decide who gets on
- Kerberos - only really needed in extremely large networks
- DOS - Denial of Service, part of life
Security Precautions
Your should review these files on your system for the correct settings. Technically the
services are known as shell and login, for rsh and rlogin, respectively.
Remote Machine Setup
- ~/.rhosts
- /etc/hosts (example)
- /etc/hosts.equiv (example)
- order of search is IP, name in /etc/hosts, and named
Control Host(s) Setup
UNIX tools